AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU)
in April 2025 (see full year ).
Return flights
03 Apr
- 08 Apr
Frontier Airlines
112 €
01 Apr
- 08 Apr
Frontier Airlines
112 €
02 Apr
- 08 Apr
Frontier Airlines
112 €
22 Apr
- 26 Apr
Frontier Airlines
112 €
26 Apr
- 29 Apr
Frontier Airlines
112 €
26 Apr
- 30 Apr
Frontier Airlines
112 €
26 Apr
- 05 May
Frontier Airlines
112 €
22 Apr
- 20 May
Frontier Airlines
112 €
26 Apr
- 03 May
Frontier Airlines
112 €
30 Apr
- 03 May
Frontier Airlines
112 €
30 Apr
- 06 May
Frontier Airlines
112 €
29 Apr
- 03 May
Frontier Airlines
112 €
24 Apr
- 01 May
Frontier Airlines
113 €
24 Apr
- 28 Apr
Frontier Airlines
116 €
22 Apr
- 24 Apr
Frontier Airlines
137 €
07 Apr
- 10 Apr
Frontier Airlines
137 €
02 Apr
- 23 Apr
Frontier Airlines
137 €
30 Apr
- 02 May
Frontier Airlines
137 €
29 Apr
- 01 May
Frontier Airlines
137 €
25 Apr
- 03 May
Frontier Airlines
137 €
Also check the deals for one-way flights from Philadelphia to San Juan in April .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.